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Finding the Fourth Proportional to 453,856.94, 626,317.40 and 249,903.60

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Solution

The fourth proportional to 453,856.94, 626,317.40 and 249,903.60 is: 344,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,856.94 : 626,317.40 = 249,903.60 : x
  2. Step 2: Convert to fraction form
    453,856.94/626,317.40 = 249,903.60/x
  3. Step 3: Cross multiply
    453,856.94x = 626,317.40 × 249,903.60
  4. Step 4: Simplify right side
    453,856.94x = 156,518,971,753.12
  5. Step 5: Solve for x
    x = 156,518,971,753.12/453,856.94
  6. Step 6: Final answer
    x = 344,864.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.